<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  <div id="app">
    {{msg.split('').reverse().join('')}}
    <br>
    {{ reverseMsg() }}
    {{ reverseMsg() }}
    {{ reverseMsg() }}
    <hr>
    {{ reverseMsg2 }}
    {{ reverseMsg2 }}
    {{ reverseMsg2 }}
  </div>
  <script src="./vue.global.js"></script>
  <script>
    const { createApp } = Vue;
    const app = createApp({
      data(){
        return {
          msg: 'hello vue'
        }
      },
      methods: {
        reverseMsg() {
          console.log('methods触发了');
          return this.msg.split('').reverse().join('')
        }
      },
      computed: {
        reverseMsg2() {
          console.log('计算属性触发');
          return this.msg.split('').reverse().join('')
        }
      }   
    })
    app.mount('#app')
  </script>
</body>
</html>